AC VARIABLE-FREQUENCY ELECTRIC DRIVE DRILLING RIG CNPC can manufacture and provide AC VFD drilling rigs range from 1000 to 12000 meters in drilling depth. Main motors auto-driller and other new advanced technologies have been adopted in the AC VFD drilling rig, both the quantity and technology are in the leading position all of the world. The advantage of AC VFD drilling rig is the AC motor brushless, no spark; stable start, high overload capacity; large speed regulation range with constant power, high system power factor, low motor power; rotary table and draw works are four quadrant running and full digital vector control; feedback/dynamic braking is used to replace auxiliary brake; zero maintainence can be achieved with reliable performance; communication and network is available by using PROFIBUS technology. Auto drilling technology improved the drilling efficiency. So AC VFD drilling rig is the first choice by the domestic and overseas drilling contractor for deep and super deep well. TECHNICAL FEATURES · Adopting advanced full numerical AC VFD technology, intellectual drilling control is accomplished through PLC, touch screen and integrated design of air, electric, hydraulic parts and drilling instrumentation. · Large power and wide frequency motors are used for complete range speed setting of drawworks, rotary table and mud pumps. · Single shaft, gear drive and one or two shift smooth speed change drawworks is simple in structure and reliable in operation. Compound hydraulic disc brake and dynamic braking are used for braking system. · Automatic drilling is obtained by drawworks main motor or an independent motor real time supervision and control for tripping in, tripping out and drilling operation are obtained. · Protective functions to air or hydraulic loss, electric control system or motor trouble, limit for rotary torque and pump pressure is available. · A separate driller cabin is fitted. Operations for air, electric and hydraulic, drilling data and parameters are all in the cabin. Logic control, supervision and maintenance during complete drilling operations are available by PLC processes. The drilling data can be stored, printed and remote transmitted. All operations by driller can be completed in the cabin for better working conditions and less working strength. · Top drive drilling system can be equipped. · Integrated skid rail may be provided to meet requirements for cluster well drilling. · Intellectual soft starting device, ET200 or ASI module is used for protection and supervision to MCC system. · Intellectual position control for traveling block to prevent top and low collision is provided.
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AC VARIABLE-FREQUENCY
ELECTRIC DRIVE DRILLING RIGCNPC can manufacture and provide AC VFD drilling
rigs range from 1000 to 12000 meters in drilling depth. Main motors auto-driller and other new advanced technologies have been adopted in the AC VFD drilling rig, both the quantity and technology are in the leading position all of the world.
The advantage of AC VFD drilling rig is the AC motor brushless, no spark; stable start, high overload capacity; large speed regulation range with constant power, high system power factor, low motor power; rotary table and draw works are four quadrant running and full digital vector control; feedback/dynamic braking is used to replace auxiliary brake; zero maintainence can be achieved with reliable performance; communication and network is available by using PROFIBUS technology. Auto drilling technology improved the drilling efficiency. So AC VFD drilling rig is the first choice by the domestic and overseas drilling contractor for deep and super deep well.
TECHNICAL FEATURES
· Adopting advanced full numerical AC VFD technology, intellectual drilling control is accomplished through PLC, touch screen and integrated design of air, electric, hydraulic parts and drilling instrumentation.
· Large power and wide frequency motors are used for complete range speed setting of drawworks, rotary table and mud pumps.
· Single shaft, gear drive and one or two shift smooth speed change drawworks is simple in structure and reliable in operation. Compound hydraulic disc brake and dynamic braking are used for braking system.
· Automatic drilling is obtained by drawworks main motor or an independent motor real time supervision and control for tripping in, tripping out and drilling operation are obtained.
· Protective functions to air or hydraulic loss, electric control system or motor trouble, limit for rotary torque and pump pressure is available.
· A separate driller cabin is fitted. Operations for air, electric and hydraulic, drilling data and parameters are all in the cabin. Logic control, supervision and maintenance during complete drilling operations are available by PLC processes. The drilling data can be stored, printed and remote transmitted. All operations by driller can be completed in the cabin for better working conditions and less working strength.
· Top drive drilling system can be equipped.· Integrated skid rail may be provided to meet requirements for cluster well drilling.· Intellectual soft starting device, ET200 or ASI module is used for protection and supervision to MCC system.· Intellectual position control for traveling block to prevent top and low collision is provided.
28
AC VARIABLE-FREQUENCY
ELECTRIC DRIVE DRILLING RIGCNPC can manufacture and provide AC VFD drilling
rigs range from 1000 to 12000 meters in drilling depth. Main motors auto-driller and other new advanced technologies have been adopted in the AC VFD drilling rig, both the quantity and technology are in the leading position all of the world.
The advantage of AC VFD drilling rig is the AC motor brushless, no spark; stable start, high overload capacity; large speed regulation range with constant power, high system power factor, low motor power; rotary table and draw works are four quadrant running and full digital vector control; feedback/dynamic braking is used to replace auxiliary brake; zero maintainence can be achieved with reliable performance; communication and network is available by using PROFIBUS technology. Auto drilling technology improved the drilling efficiency. So AC VFD drilling rig is the first choice by the domestic and overseas drilling contractor for deep and super deep well.
TECHNICAL FEATURES
· Adopting advanced full numerical AC VFD technology, intellectual drilling control is accomplished through PLC, touch screen and integrated design of air, electric, hydraulic parts and drilling instrumentation.
· Large power and wide frequency motors are used for complete range speed setting of drawworks, rotary table and mud pumps.
· Single shaft, gear drive and one or two shift smooth speed change drawworks is simple in structure and reliable in operation. Compound hydraulic disc brake and dynamic braking are used for braking system.
· Automatic drilling is obtained by drawworks main motor or an independent motor real time supervision and control for tripping in, tripping out and drilling operation are obtained.
· Protective functions to air or hydraulic loss, electric control system or motor trouble, limit for rotary torque and pump pressure is available.
· A separate driller cabin is fitted. Operations for air, electric and hydraulic, drilling data and parameters are all in the cabin. Logic control, supervision and maintenance during complete drilling operations are available by PLC processes. The drilling data can be stored, printed and remote transmitted. All operations by driller can be completed in the cabin for better working conditions and less working strength.
· Top drive drilling system can be equipped.· Integrated skid rail may be provided to meet requirements for cluster well drilling.· Intellectual soft starting device, ET200 or ASI module is used for protection and supervision to MCC system.· Intellectual position control for traveling block to prevent top and low collision is provided.
Drilling Equipment
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TECHNICAL PARAMETER
Drilling rig model ZJ15/900DB ZJ30/1700DB ZJ40/2250DB ZJ50/3150DB
Nominaldrilling depth,
m
127mm(5")drill pipe 700-1400 1500-2500 2000-3200 2800-4500
114mm(4 1/2")drill pipe 800-1500 1600-3000 2500-4000 3500-5000
Max. hook load, kN 900 1700 2250 3150
Line strung ofhoisting system 8 10 10 12
Drill line diameter,mm 26 29 32 35
Max. pull of fast line,kN 130 210 280 350
Draw-works
Model JC-15DB JC-30DB JC-40DB JC-50DB
Power ratingkW (hp) 300(410) 600(815) 800(1090) 1100(1500)
Speed I or II, smooth change I or IV, smooth change I or II, smooth change
Brake mode Hydraulic disc brake + Regenerating brake Hydraulic disc brake + Regenerating brake(Pneumatic disc brake)
Crown block TC90 TC170 TC225 TC315
Traveling block YG135 YG170 YC225 YC315
Sheave OD of hoisting system, mm 660 1005 1120 1270
Hook YG135 YG170 DG225 DG250 DG315
SwivelModel SL-135 SL-170 SL-225 SL-450
Stem dia.,mm 64 64 75 75
Rotarytable
Stem diamm(in) 444.5(17 1/2) 520(20 1/2) 698.5(27 1/2) 952.5(37 1/2)
Speed I or II, smooth change
Drive mode combined or independent drive Independent drive
Mast
Type K or telescoping K or A KHeight, m 31 or 39 33 or 41 44 45
Max. load, kN 900 1700 2250 3150
Substr-ucture
Type Box or telescoping Dual lift Dual lift or Swing lift
Floor height, m 3.8 4.5 5 6 7.5 9Clear height, m 2.6 3.3 3.8 4.8 6 7.6
Mudpump
Model×number F-800×1 F-1300×1 F-1300×2 F-1600×2Drive mode Electric drive or diesel engine drive Electric drive
Electric control mode AC-DC-AC
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Drilling rig model ZJ70/4500DB ZJ90/6750DB ZJ120/9000DB
Nominaldrilling depth
m
127mm(5")drill pipe 4000-6000 9000 12000
114mm(4 1/2")drill pipe 4500-7000
Max. hook load, kN 4500 6750 9000
Line strung of hoisting system 12 14 14
Drill line diameter，mm 38 45 46
Max. pull of fast line，kN 487 643 851
Draw-works
Model JC-70DB JC-90DB JC-120DB
Power rating，kW (HP) 1470(2000) 2200/3200(3000/4400) 4400(6000)
Speed I or II, smooth change I smooth change
Brake modeHydraulic disc brake + Regenerating brak
（Pneumatic disc brake）Hydraulic disc brake + Regenerating brak
Crown block TC450 TC675 TC900
Traveling block YC450 YC675 YC900
Sheave OD of hoisting system, mm 1524 1524 1828
Hook DG450 DG 675 DG 900
SwivelModel SL-450 SL-675
Stem dia.,mm 75 102
Rotarytable
Stem dia，mm(in) 952.5(37 1/2) 952.5(37 1/2) 1257.3(49 1/2)
Speed I or II, smooth change I , smooth change II , smooth change
Drive mode Independent drive
Mast
Type K
Height, m 45 48 52
Max. load, kN 4500 6750 9000
Substr-ucture
Type Dual lift or Swing lift Swing lift
Floor height, m 10.5 12
Clear height, m 9 10.3 10
Mudpump
Model×number F-1600×3 F-1600HL×3 F-2200HL×3
Drive mode Electric drive
Electric control mode AC-DC-AC
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